This is a beautiful Japanese Imari Okimono of a seated Boy and holding a whistle in a shape of a green bird. The same Okimono is listed in N. Schiffer book "Figural Japanese Export Ceramics", p. 108-109, with a price of $1500-$1800.
The Okimono is in excellent condition with no damages, chips, or losses. It has a beautiful enameling.
Its measurements are 8 inches tall, 7 inches wide and 7 1/4 inches. It dates 19th century, Meiji, Japan.